When Black Sabbath landed at JFK Airport for their first U.S. tour, Ozzy Osbourne scrawled “Satanist” as his religion on the immigration form. Many who saw their shows – opening for the Faces, Alice Cooper and the James Gang – didn’t know what to make of the shaggy Brits.

A turning point came at New York’s Fillmore East. “I tore my floor tom off the riser and threw it at the audience,” says drummer Bill Ward. “I was like, ‘Fucking move! Do something!’ Soon everyone was headbanging.”

Relentless touring in Europe had turned Sabbath into a brutal assault force. “It was primal,” says Ward of the tour. “There’s a lower self that went onstage, and it was just dynamite.”

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